public async Task <HttpResponseMessage> PostBackWithHtmlForm(string pageUri, CssSelectorForDom selector, Dictionary <string, string> postFormValue, string expectedRedirectedPage = null)
{
var response = await Client.GetAsync($"{RootUri}/{pageUri}");
var content = await HtmlHelper.GetDocumentAsync(response);
IHtmlFormElement form = (IHtmlFormElement)content.QuerySelector(selector.Form);
IHtmlButtonElement btnSubmit = (IHtmlButtonElement)content.QuerySelector(selector.SubmitButton);
//Act
HttpResponseMessage result = await Client.SendAsync(form, btnSubmit, postFormValue);
LastResponse = result;
//Assert
string requestUri = result.RequestMessage.RequestUri.ToString();
if (expectedRedirectedPage != null)
{
string expectedUri = (RootUri + '/' + expectedRedirectedPage).ToLower();
if (expectedUri != requestUri.ToLower())
{
throw new Exception($"Unexpected rediction of page: {requestUri}");
}
}
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
throw new HttpRequestException(await response.Content.ReadAsStringAsync());
}
/*Success might not be determined correctly
* due to Server still response Http status 200 OK
* but use JavaScript or Dom UI element to indicate error instead.
*/
return(result);
}
public static async Task <IHtmlDocument> RequestHtmlDocumentWithPostAsync(IHtmlFormElement form, IHtmlButtonElement submitBtn)
{
var factory = new WebApplicationFactory <Startup>();
var client = factory.CreateClient();
var response = await client.SendAsync(form, submitBtn);
var document = await HtmlHelpers.GetDocumentAsync(response);
return(document);
}
private async Task <(HttpResponseMessage response, IHtmlDocument _document)> Post(IHtmlFormElement form, IHtmlButtonElement btn)
{
var response = await _client.SendAsync(form, btn);
if (response.StatusCode == HttpStatusCode.BadRequest)
{
return(response, null);
}
var document = await HtmlHelpers.GetDocumentAsync(response);
return(response, document);
}
